Generally speaking, ordinary calligraphers can generally refer to this price.
The decoration grade is about 100, and the collection grade is about 800. If I become a masterpiece, it may be 2000.
National famous calligrapher
The decoration level is about 300, and the collection level is about 4000. If I become a masterpiece, it may be 10000.
The price of living world famous calligraphers.
The decoration level is about 1000, and the collection level is about 10000. It's almost a level. If I become a masterpiece, it may be 60000.
Of course, these have to check the age of the work, and the earlier the age, the higher the price.